code: def step_impl_create_scene_one_dataset(context):
      """Create a Scene with a fake dataset for testing.
  
      Args:
          context (behave.runner.Context): Test context
  
      """
      from xarray import DataArray
  
      from satpy import Scene
  
      scn = Scene()
      scn["MyDataset"] = DataArray([[1, 2], [3, 4]], dims=["y", "x"])
      context.scene = scn
  
file_path: satpy/satpy/tests/features/steps/steps-save.py
imports: from unittest.mock import patch
  from behave import given, then, use_step_matcher, when
label_desc: Use image node_id 1 for calling a global function with example usage: step_impl_create_scene_one_dataset(context) without return types